CN106065850B - A kind of wind energy of skyscraper roof is stable to continue electricity generation system and control method - Google Patents
A kind of wind energy of skyscraper roof is stable to continue electricity generation system and control method Download PDFInfo
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- CN106065850B CN106065850B CN201610391344.9A CN201610391344A CN106065850B CN 106065850 B CN106065850 B CN 106065850B CN 201610391344 A CN201610391344 A CN 201610391344A CN 106065850 B CN106065850 B CN 106065850B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/911—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
- F05B2240/9112—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose which is a building
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The wind energy that the present invention discloses a kind of skyscraper roof, which is stablized, continues electricity generation system and control method, skyscraper sets wind collecting unit, wind collecting unit output end connects vacuum tank input terminal through the first check valve, vacuum tank output endmatcher is moved to valve, servomotor driven change valve two export the cylinder both ends for being separately connected air-liquid converter, the hydraulic fluid chamber outlet of air-liquid converter left and right ends is connect through another check valve with accumulator respectively, accumulator outlet is connect with variable displacement motor entrance, variable displacement motor is sequentially connected in series first shaft coupling, electric generator/electric motor, second shaft coupling and pump/motor, the entrance of pump/motor is connect with proportional reversing valve entrance, pump/motor outlet is separately connected proportional reversing valve primary outlet and the 6th check valve, 6th check valve connects proportional reversing valve second outlet and connection energy storage device；Being effectively utilized high-rise roof turbulent wind can be carried out power generation, solve the problems, such as that wind-power electricity generation is unstable, discontinuous and complex control.
Description
Technical field
The invention belongs to wind energy developments to utilize the wind energy hair with High-rise Building Energy Saving technical field, more particularly to high-rise roof
Electric system.
Background technique
Wind-power electricity generation as one of renewable energy green energy resource, wind resource is abundant, geographical conditions are superior or
Power grid power supply inconvenient area has been widely used and has promoted.Since the unstability of wind-powered electricity generation and city are often in
Grid coverage area, even if having good wind-power electricity generation condition, wind-power electricity generation is also rarely used.But skyscraper is because having
Certain height and the particular surroundings locating for it, even if local wind condition is bad, high-rise roof can also have one
Fixed wind-force.And high-rise itself consumes huge energy, therefore, make full use of the wind energy of skyscraper roof into
Row power generation, is provided suitable for low noise, high efficiency, stabilization, the lasting wind generator system under town environment, can not only be effective
It reduces the discharge of fossil resources, improve urban environment, can also further reduce the electricity consumption of densely inhabited district.
Inspection information shows have and mainly install wind in high-rise roof using the wind generating technology of skyscraper roof
Power machine generates electricity, but this tall building roof wind generating technology does not get rid of measurement wind present in traditional wind group
Speed, yaw control, generate electricity it is unstable, can not continued power the problems such as, also reduce the usable floor area of high-rise, in addition,
Also it is difficult to avoid that wind energy conversion system rotates generated noise and secondary environmental hazard.
Summary of the invention
In order to overcome defect existing for existing skyscraper roof wind generating technology, it is simple that the present invention provides a kind of structure
Skyscraper roof wind energy stablize continue electricity generation system, being effectively utilized high-rise roof turbulent wind can be carried out power generation, solution
Noise is effectively reduced and without secondary environmental hazard in the problem of the unstable of wind-power electricity generation, discontinuous and complex control；This
Invention additionally provides the wind energy and stablizes the control method for continuing electricity generation system.
To achieve the above object, the technical side that a kind of continual and steady electricity generation system of skyscraper roof wind energy of the present invention uses
Case is: skyscraper roof is equipped with wind collecting unit, and wind collecting unit output end connects vacuum tank input terminal through the first check valve, and vacuum tank is defeated
Outlet in turn concatenate first pressure gauge, gas pressure flow sensor, filter, pressure reducing valve, oil sprayer, the first shut-off valve and
Servomotor driven change valve, servomotor driven change valve entrance are connect with the first cut-off valve outlet, and two outlets of servomotor driven change valve are separately connected gas
The cylinder both ends of liquid converter, the hydraulic fluid chamber entrance of air-liquid converter left and right ends are connect through a check valve with fuel tank respectively,
The hydraulic fluid chamber outlet of air-liquid converter left and right ends is connect through another check valve with accumulator respectively, and accumulator is exported through first
Fluid pressure flow sensor is connect with variable displacement motor entrance, and variable displacement motor is sequentially connected in series first shaft coupling, generator/electronic
Machine, second shaft coupling and pump/motor are equipped with power meter in electric generator/electric motor outlet；The entrance and ratio of pump/motor
Commutation valve inlet is connected and is connect through the 7th check valve with fuel tank, and the outlet of pump/motor is separately connected proportional reversing valve first
Outlet and the 6th check valve, the 6th check valve connect proportional reversing valve second outlet and through second liquid pressure flow sensors
Connect energy storage device；The gas pressure flow sensor, the first fluid pressure flow sensor, second liquid pressure flow pass
Sensor, power meter, variable displacement motor, pump/motor, proportional reversing valve, first shaft coupling and second shaft coupling are separately connected
Controller.
A kind of high-rise building of the present invention against the wind can continual and steady electricity generation system control method the technical solution adopted is that: it is special
Sign be include following steps:
A, gas pressure value input controller in the vacuum tank that gas pressure flow sensor will test, works as gas pressure
When value is greater than 0.5MPa, controller controls first shaft coupling connection, servomotor driven change valve and air-liquid converter work, air-liquid converter
Continuous high-voltage oil liquid is provided to accumulator and variable displacement motor, high-voltage oil liquid is changed into mechanical energy, passes through first by variable displacement motor
Axis device drives electric generator/electric motor work；
B, power meter is by electric power input controller detected, if electric power is equal to variable displacement motor output work
Rate, controller control second shaft coupling disconnect and control the discharge capacity of variable displacement motor, electric generator/electric motor is made to export constant frequency；
If electric power is less than variable displacement motor output power, controller controls second shaft coupling connection, and control proportional reversing valve works,
Pump/motor rotation, the high-voltage oil liquid of output enter in energy storage equipment；If electric power is greater than variable displacement motor output power, control
Device control second shaft coupling connection and proportional reversing valve do not work, and the high-voltage oil liquid in energy storage device is through second liquid pressure flow
Sensor, proportional reversing valve enter pump/motor, and the discharge capacity of controller control pump/motor guarantees that it exports constant rotational speed, and passes through
Second shaft coupling drives electric generator/electric motor rotation.
C, when gas pressure flow sensor detects that the gas pressure in vacuum tank is less than or equal to 0.5MPa, controller
It controls first shaft coupling to disconnect, air-liquid converter and servomotor driven change valve stop working.
Further, in step C, if power meter has detected electricity consumption, controller control second shaft coupling connection and
Proportional reversing valve does not work, and the high-voltage oil liquid in energy storage device enters through second liquid pressure flow sensor, proportional reversing valve
Pump/motor drives electric generator/electric motor rotation by second shaft coupling.
The present invention is after adopting the above technical scheme, have the beneficial effect that
1) wind energy of the present invention stablizes the collection air port for continuing the wind collecting unit in electricity generation system and mechanical one-way slabs does not need again
Miscellaneous control can both realize the wind energy for collecting different wind directions, and greatly improve wind energy concentration；The use of wind collecting unit solves
Wind energy conversion system cannot generate electricity under superelevation wind speed, the defect of Yi Fasheng accident, not only greatly expand wind energy utilization range, and
And city local turbulence wind energy also can fully be used；Meanwhile Ji Fengkouchu is additionally favorable for the quotient of installation of high-building
Industry advertisement and decoration realize the combination of wind-power electricity generation and urban architecture.
2) turbine and air compressor is used in combination in the stable electricity generation system that continues of wind energy of the present invention, reduces wind-power electricity generation
The secondary hazards that environment is generated in the noise and conventional wind machine blade rotary course of system, at the same high speed is distinguished and admirable first
It is changed into pressed gas.Using pressure stabilizing fill can pressure transient caused by effectively stable wind energy size changes at random the problem of,
And continuous, stable pressed gas can be provided to system.
3) wind energy of the present invention stablizes the gas-liquid conversion continued in electricity generation system and increases device, can convert the air pressure of low energy
For hydraulic energy, the stability of energy density and electricity generation system is improved, meanwhile, gas-liquid conversion increases setting for device and servomotor driven change valve
Meter realizes the automatic reverse of reversal valve and the purpose of continuous offer high-voltage oil liquid, greatly simplifies system control.
4) wind energy of the present invention, which is stablized, continues electricity generation system using hydraulic energy storage device substitution battery group, efficiently solves
The problems such as at high cost existing for existing battery, service life is low and poor reliability, and the flexible connection of Fluid-transmission is conducive to ground
Face power generation and the service work of system；The control of variable displacement motor and pump/motor displacement can be to avoid Complex Power electronic equipment
And realize the constant frequency generation of system；The use of proportional reversing valve greatly improves energy storage device and releases the unstable situation of energy, improves
Energy storage equipment releases the power generating quality that can be generated electricity.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, invention is further described in detail:
Fig. 1 is that a kind of wind energy of high-rise roof of the present invention stablizes the structure connection diagram for continuing electricity generation system；
Fig. 2 is the wind collecting unit structure amplification shaft side figure in Fig. 1；
Fig. 3 is sectional view along A-A in Fig. 2；
Fig. 4 is B-B direction cross-sectional view in Fig. 2, and the components such as turbine, the compressor inside wind collecting unit are dispensed in Fig. 4；
Fig. 5 is the connection structure enlarged diagram of turbine and compressor in Fig. 3；
In figure: 1. skyscrapers；2. wind collecting unit；3. the first check valve；4. vacuum tank；5. first pressure gauge；6. gas pressure
Force flow quantity sensor；7. filter；8. pressure reducing valve；9. oil sprayer；10. the first shut-off valve；11. second one-way valve；12. third list
To valve；13. air-liquid converter；14. servomotor driven change valve；15. controller；16. the 4th check valve；17. the 5th check valve；18. storing
It can device；19. second pressure gauge；20. the first fluid pressure flow sensor；21. variable displacement motor；22. first shaft coupling；23. function
Rate meter；24. electric generator/electric motor；25. second shaft coupling；26. the 6th check valve；27. energy storage device；28. third pressure
Table；29. second liquid pressure flow sensor；30. pump/motor；31. the 7th check valve；32. proportional reversing valve；33. Zuo Jifeng
Mouthful；34. the air port You Ji；35. the air port Qian Ji；36. the air port Hou Ji；37. left filter screen；38. left one-way slabs；39. wind assembling set；40.
Right one-way slabs；41. right filter screen；42. first flange disk；43. the second shut-off valve；44. second flange disk；45. front filter；
One-way slabs before 46.；One-way slabs after 47.；Filter screen after 48.；49. turbine；50. third ring flange；51. compressor；52. third
Shaft coupling；53. sealed chamber.
Specific embodiment
Referring to Fig. 1, wind collecting unit 2 is fixedly mounted on the roof foundation base of skyscraper 1, the roof of skyscraper 1 is any
The distinguished and admirable of direction is collected by wind collecting unit 2, is concentrated and primary filter, and what is exported from wind collecting unit 2 is continuously to have pressure
The gas of energy.Input terminal of the output end of wind collecting unit 2 through pipeline connection vacuum tank 4, in the output end and vacuum tank 4 of wind collecting unit 2
Connecting pipe on the first check valve 3 is installed, from wind collecting unit 2 export pressed gas can only unidirectionally enter vacuum tank 4 in, obtain
The pressed gas of continuous-stable.
The output end of vacuum tank 4 in turn concatenates first pressure gauge 5, gas pressure flow sensor 6, filter 7, decompression
Valve 8, oil sprayer 9, the first shut-off valve 10 and servomotor driven change valve 14.First pressure gauge 5 directly displays the gas pressure in vacuum tank 4
Power；Gas pressure flow sensor 6 connects controller 15 through signal wire, and the gas pressure value in vacuum tank 4 that will test is defeated
Enter in controller 15；Filter 7 further filters gas；Pressure reducing valve 8 is to further filtered gas decompression；Through oil sprayer
9, which are mixed in oil the gas depressurized, conveys, and gas is made to have lubricating ability.
The entrance of servomotor driven change valve 14 is connect with the outlet of the first shut-off valve 10, two outlets difference of servomotor driven change valve 14
The cylinder both ends of air-liquid converter 13 are connected to, the commutation action of servomotor driven change valve 14 is living by the cylinder of air-liquid converter 13
Plug pushes the connecting rod connecting with 14 spool of servomotor driven change valve to realize automatic reverse.
The hydraulic fluid chamber entrance of 13 left and right ends of air-liquid converter respectively connects the outlet of a check valve, is third list respectively
To the outlet of valve 12 and the outlet of the 5th check valve 17, the entrance of the entrance of third check valve 12 and the 5th check valve 17 respectively with fuel tank
Connection, provides hydraulic oil by fuel tank.The hydraulic fluid chamber of 13 left and right ends of air-liquid converter exports entering for each one check valve of connection
Mouthful, it is 16 entrance of entrance and the 4th check valve of second one-way valve 11, the outlet of second one-way valve 11 and the 4th check valve respectively
16 outlet is connect through pipeline with accumulator 18.Third check valve 12, the 5th check valve 17, second one-way valve the 11, the 4th are unidirectional
This four check valves of valve 16 constitute hydraulic rectifier bridge, it is ensured that the high-voltage oil liquid direction that air-liquid converter 13 exports is certain.It is storing
Second pressure gauge 19 is installed in energy 18 exit of device, directly displays the pressure of the oil liquid of the output of accumulator 18.
The oil liquid exported from accumulator 18 is connect through the first fluid pressure flow sensor 20 with 21 entrance of variable displacement motor, is become
The outlet of amount motor 21 is connect with fuel tank.Variable displacement motor 21 by first shaft coupling 22 connect electric generator/electric motor 24, generator/
Motor 24 connects pump/motor 30 through second shaft coupling 25 again, is sequentially connected in series.It exports in electric generator/electric motor 24 and pacifies at terminal
Power meter 23 is filled, to detect the output power namely user power utilization power of electric generator/electric motor 24.First shaft coupling 22
And second shaft coupling 25 controls its engagement by controller 15.
The entrance of pump/motor 30 is separately connected two-way: the first via is connect through the 7th check valve 31 with fuel tank, the second tunnel with than
Example 32 entrance of reversal valve connection.The outlet of pump/motor 30 is also separately connected two-way: the first via goes out with proportional reversing valve 32 first
Mouth connection, the second tunnel is connect with 26 entrance of the 6th check valve；The outlet of 6th check valve 26 is separately connected two-way: the first via and ratio
32 second outlet connections of reversal valve, the second tunnel connects energy storage device 27 through second liquid pressure flow sensor 29.In accumulation of energy
27 exit of device is installed by third pressure gauge 28.
First fluid pressure flow sensor 20, second liquid pressure flow sensor 29, power meter 23 pass through respectively
Signal wire connects controller 15, and the signal that will test sends controller 15 to.Variable displacement motor 21, pump/motor 30, proportional reversing valve
32 is equal respectively by control line connection controller 15, controls its movement by controller 15.
Referring to fig. 2,2 structure of wind collecting unit shown in 3,4,5, the shell surrounding of wind collecting unit 2 are provided with the air port Zuo Ji 33, right collection wind
Mouth 34, the air port Qian Ji 35 and the air port Hou Ji 36, the distinguished and admirable of any direction are collected into interior of shell by four collection air ports.In shell
Inside is equipped with wind assembling set 39 and sealed chamber 53, good to make to collect wind, above the setting inside the housing of wind assembling set 39, in wind assembling set
39 lower section is sealed chamber 53, and wind assembling set 39 and sealed chamber 53 are not connected.
Four collection air ports are connected after corresponding filter screen and one-way slabs with wind assembling set 39 respectively, four collection air ports and collection
Filter screen is equipped between air compartment 39, specifically: the air port Zuo Ji 33 is collected distinguished and admirable first through left filter screen 37, then through left one-way slabs
Enter in wind assembling set 39 after 38；The air port You Ji 34 is collected distinguished and admirable first through right filter screen 41, then enters collection after right one-way slabs 40
In air compartment 39；The distinguished and admirable of the collection of the air port Qian Ji 35 first enters in wind assembling set 39 after front filter 45, then premenstrual one-way slabs 46；Afterwards
Collect the distinguished and admirable successive filter screen 48 that air port 36 is collected, then enters in wind assembling set 39 after one-way slabs 47 after.In this way, from any direction
It is distinguished and admirable by after primary filter enter wind assembling set 39 in.Left filter screen 37, right filter screen 41, front filter 45 and rear filter screen 48
Upper part is all fixed on the shell, and on the outer wall of lower part fixing seal chamber 53, wind assembling set 39 is unidirectional by left one-way slabs 38, the right side
This four one-way slabs of plate 40, preceding one-way slabs 46 and preceding one-way slabs 46 surround.
The second shut-off valve 43, turbine 49, compressor 51 and third shaft coupling 52, wind assembling set are equipped in sealed chamber 53
39 delivery outlet in turn connects the second shut-off valve 43 and turbine 49 through pipeline, connect in the delivery outlet of wind assembling set 39 with pipeline
Place is fixed with first flange disk 42, fixed with second flange disk 44 in 49 input port of turbine and pipeline junction.Turbine 49
Output end connect 52 connect compressor 51 of third shaft coupling.Distinguished and admirable from the output of wind assembling set 39 turns kinetic energy after turbine 49
It is changed to mechanical energy, then enters compressor 51 through pipeline, the mechanical energy of turbine 49 is passed to compressor 51, wind circulation overcompression
Machine 51 realizes first air compression, is changed into the continuous gas with pressure energy for distinguished and admirable.The delivery outlet of compressor 51 passes through
The first check valve 3 outside pipeline connection has the gas of pressure energy from the output of wind collecting unit 2.Compressor 51 delivery outlet with
Pipeline junction is fixed with third ring flange 50.
When continuing electricity generation system work referring to shown in Fig. 1-5, a kind of wind energy of high-rise roof of the present invention is stablized, by controller
15 controls are realized, specific as follows:
Gas pressure value input controller 15 in the vacuum tank 4 that gas pressure flow sensor 6 will test, controller 15
The pressure value is handled, when gas pressure value is greater than 0.5MPa, shows wind-force abundance.At this point, no matter wind-force size, side
To how to change, wind energy stabilization can be input in air accumulator 4 by wind energy by wind collecting unit 2, and air accumulator 4 can be to gas-liquid
Converter 13 provides continuous, stable wind energy, and servomotor driven change valve 14 and air-liquid converter 13 work.The control of controller 15 first
Axis device 22 connects, the pressed gas in vacuum tank 4 in turn pass through gas pressure flow sensor 6, filter 7, pressure reducing valve 8,
The right position air inlet of oil sprayer 9, the first shut-off valve 10 and servomotor driven change valve 14 enters the left side air cavity of air-liquid converter 13
In, and the air rammer of air-liquid converter 13 is pushed to move right, right side air cavity gas passes through the right position of servomotor driven change valve 14
Exhaust outlet discharge, meanwhile, high-voltage oil liquid is discharged in 13 left side hydraulic fluid chamber oil suction of air-liquid converter, right side hydraulic fluid chamber.Work as gas-liquid
After the pneumatic cylinder piston of converter 13 moves to right-hand end, the company that is connected with 14 spool of servomotor driven change valve of right-hand end is pushed
Bar, 14 automatic reverse of servomotor driven change valve under connecting rod effect, after commutation, the pressed gas of air-liquid converter 13 through motor-driven by changing
In the right side air cavity for entering air-liquid converter 13 to the left position of valve 14, and the air rammer of air-liquid converter 13 is pushed to transport to the left
Dynamic, left side air cavity gas is discharged by 14 left position exhaust outlet of servomotor driven change valve, meanwhile, the right side hydraulic oil of air-liquid converter 13
High-voltage oil liquid is discharged in chamber oil suction, left side hydraulic fluid chamber, so circuits sequentially reciprocating action, makes air-liquid converter 13 to accumulator 18
Continuous high-voltage oil liquid is provided with variable displacement motor 21, and high-voltage oil liquid is changed into mechanical energy by variable displacement motor 21, and passes through first
Axis device 22 drives electric generator/electric motor 24 to work.
At this point, user detected is needed electric power input controller 15 by power meter 23, if power meter
23 when detecting that user needs electric power to be equal to 21 output power of variable displacement motor, and it is disconnected that controller 15 controls second shaft coupling 25
It opens, mechanical energy is changed into electric energy by electric generator/electric motor 24, while controller 15 controls the discharge capacity of variable displacement motor 21, makes its guarantor
Output invariablenes turning speed is held, to guarantee that electric generator/electric motor 24 exports electric energy frequency-invariant.
If power meter 23 detects user power utilization power when being less than 21 output power of variable displacement motor, the control of controller 15 the
The connection of two shaft couplings 24, electric generator/electric motor 24 not only supplies user as electrical power generators at this time, but also passes through the as motor
Two shaft couplings 24 drive pump/motor 30 to rotate, and energy a part is converted to electric energy, and another part passes through 30 energy storage of pump/motor, and
Electromagnet in control proportional reversing valve 32 is in energized state, and oil liquid enters pump/motor 30 through the 7th check valve 31, realizes machine
Tool can enter accumulation of energy through the 6th check valve 26, second liquid pressure sensor 29 to the transformation of hydraulic energy, the high-voltage oil liquid of output
In device 27, mechanical energy energy storage in the form of pressure energy.
If power meter 23 detects output power of the user power utilization power greater than variable displacement motor 21, controller 15 is controlled
Second shaft coupling 25 connects, and controls the power-off of the electromagnet in proportional reversing valve 32 and do not work, the high pressure oil in energy storage device 27
Liquid enters through second liquid pressure flow sensor 29,32 left position of proportional reversing valve from 30 lower entrances of pump/motor, pump/motor
Pressure energy is mechanical energy by 30, meanwhile, controller 15 controls 30 discharge capacity of pump/motor, and it is permanent to guarantee that pump/motor 30 exports revolving speed
It is fixed, and drive electric generator/electric motor 24 to rotate by second shaft coupling 25, electric generator/electric motor 24 is simultaneously by variable displacement motor 21
It drives with pump/motor 30, and generates electricity as generator, the oil liquid that pump/motor 30 exports is returned through 32 left position of proportional reversing valve
Into fuel tank, energy storage device 27 releases energy, to ensure that the stability of power generation.
When gas pressure is less than or equal to 0.5MPa in the detection vacuum tank 4 of gas pressure flow sensor 6, show wind-force not
Sufficient, controller 15 controls first shaft coupling 22 and disconnects, since the automatic forward direction of pressure reducing valve 8 is ended, the air cavity in air-liquid converter 13
Piston does not have pressed gas and stops working, and therefore, servomotor driven change valve 14 also stops commutation, stops working.At this point, if power is surveyed
Meter 23 detects that user has power demand, and controller 15 controls second shaft coupling 25 and connects, and controls 32 electricity of proportional reversing valve
Magnet power-off does not work, and the high-voltage oil liquid in energy storage device 27 is through second liquid pressure flow sensor 29, proportional reversing valve 32
Left position enters from 30 entrance of pump/motor, and pressure energy is mechanical energy by pump/motor 30, meanwhile, controller 15 controls pump/horse
Up to 30 discharge capacity, guarantee that pump/motor 30 exports invariablenes turning speed, and drive 24 turns of electric generator/electric motor by second shaft coupling 25
Dynamic, electric generator/electric motor 24 generates electricity as electrical power generators, and the oil liquid that pump/motor 30 exports is left through proportional reversing valve 32
Position returns in fuel tank, and energy storage device 27 releases energy, to ensure that continuous, the stable power-supplying of system.
Claims (4)
1. a kind of wind energy of skyscraper roof, which is stablized, continues electricity generation system, it is characterized in that: skyscraper roof is equipped with wind collecting unit
(2), wind collecting unit (2) output end connects vacuum tank (4) input terminal through the first check valve (3), and vacuum tank (4) output end is in turn gone here and there
Connect first pressure gauge (5), gas pressure flow sensor (6), filter (7), pressure reducing valve (8), oil sprayer (9), the first cut-off
Valve (10) and servomotor driven change valve (14), servomotor driven change valve (14) entrance and the first shut-off valve (10) outlet connect, servomotor driven change valve
(14) two export the cylinder both ends for being separately connected air-liquid converter (13), the hydraulic oil of air-liquid converter (13) left and right ends
Chamber entrance is connect through a check valve with fuel tank respectively, and the hydraulic fluid chamber of air-liquid converter (13) left and right ends exports respectively through another
Check valve is connect with accumulator (18), and accumulator (18) is exported through the first fluid pressure flow sensor (20) and variable displacement motor
(21) entrance connects, and variable displacement motor (21) is sequentially connected in series first shaft coupling (22), electric generator/electric motor (24), second shaft coupling
(25) and pump/motor (30) power meter (23), are equipped in electric generator/electric motor (24) outlet；The entrance of pump/motor (30)
It connect with proportional reversing valve (32) entrance and is connect through the 7th check valve (31) with fuel tank, the outlet of pump/motor (30) connects respectively
Connect proportional reversing valve (32) primary outlet and the 6th check valve (26), the 6th check valve (26) connects proportional reversing valve (32) the
Two export and connect energy storage device (27) through second liquid pressure flow sensor (29)；The gas pressure flow sensor
(6), the first fluid pressure flow sensor (20), second liquid pressure flow sensor (29), power meter (23), variable
Motor (21), pump/motor (30), proportional reversing valve (32), first shaft coupling (22) and second shaft coupling (25) are separately connected
Controller (15)；
The shell surrounding of wind collecting unit (2) is provided with four collection air ports all around, is that wind assembling set (39), lower section are above interior of shell
Sealed chamber (53), is equipped with filter screen between four collection air ports and wind assembling set (39), wind assembling set (39) is enclosed by four one-way slabs
At；The second shut-off valve (43), turbine (49), compressor (51) and third shaft coupling (52), collection are equipped in sealed chamber (53)
The delivery outlet of air compartment (39) in turn connects the second shut-off valve (43) and turbine (49), the output end of turbine (49) through pipeline
Through third shaft coupling (52) connect compressor (51).
2. a kind of wind energy of skyscraper roof, which is stablized, according to claim 1 continues electricity generation system, it is characterized in that: accumulator
(18) exit is equipped with second pressure gauge (19), and energy storage equipment (27) exit is equipped with third pressure gauge (28).
3. a kind of wind energy of skyscraper roof as described in claim 1 stablizes the control method for continuing electricity generation system, feature
Being includes following steps:
A, the interior gas pressure value input controller (15) of vacuum tank (4) that gas pressure flow sensor (6) will test, works as gas
When body pressure value is greater than 0.5MPa, controller (15) controls first shaft coupling (22) connection, and servomotor driven change valve (14) and gas-liquid turn
Parallel operation (13) work, makes air-liquid converter (13) provide continuous high-voltage oil liquid, variable to accumulator (18) and variable displacement motor (21)
High-voltage oil liquid is changed into mechanical energy by motor (21), drives electric generator/electric motor (24) work by first shaft coupling (22)；
B, power meter (23) is by electric power input controller (15) detected, if electric power is equal to variable displacement motor
(21) output power, controller (15) control second shaft coupling (25) disconnect and control the discharge capacity of variable displacement motor (21), makes to generate electricity
Machine/motor (24) exports constant frequency；If electric power is less than variable displacement motor (21) output power, controller (15) control the
Two shaft couplings (24) connection, control proportional reversing valve (32) work, pump/motor (30) rotation, the high-voltage oil liquid of output enter storage
In energy device (27)；If electric power is greater than variable displacement motor (21) output power, controller (15) controls second shaft coupling (25)
Connection and proportional reversing valve (32) do not work, and the high-voltage oil liquid in energy storage device (27) is through second liquid pressure flow sensor
(29), proportional reversing valve (32) enters pump/motor (30), and the discharge capacity of controller (15) control pump/motor (30) guarantees its output
Constant rotational speed, and electric generator/electric motor (24) rotation is driven by second shaft coupling (29)；
C, when gas pressure flow sensor (6) detects that the gas pressure in vacuum tank (4) is less than or equal to 0.5MPa, control
Device (15) controls first shaft coupling (22) and disconnects, and air-liquid converter (13) and servomotor driven change valve (14) stop working.
4. control method according to claim 3, it is characterized in that: in step C, if power meter (23) detect it is useful
Electricity, controller (15) control second shaft coupling (25) connection and proportional reversing valve (32) do not work, the height in energy storage device (27)
Pressure oil liquid enters pump/motor (30) through second liquid pressure flow sensor (29), proportional reversing valve (32), passes through the second shaft coupling
Device (25) drives electric generator/electric motor (24) rotation.
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| CN108868904B (en) * | 2018-06-14 | 2020-12-11 | 重庆科技学院 | Hydraulic variable motor speed regulating system for recovering natural gas residual pressure energy |
| CN116085200A (en) * | 2023-01-18 | 2023-05-09 | 中国船舶集团风电发展有限公司 | Single pile energy storage device for offshore wind power generation |
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